In 1977, We Were the ‘Mouthpiece People’

Take a look at this black-and-white ad we published back in 1977! As part of A-M Systems’ 40th-anniversary celebration, we’re sharing some of the highlights from our archives. This ad was published in the May/June issue of the Medical Electronics &...

Birth of the Calibration Syringe for Spirometry

In 1977, we introduced an acrylic calibration syringe designed to verify that a spirometer was measuring the flow volume correctly. Back then only two connectors were available, and the volume was limited to two liters. And the first statement on the Standardization...